Researchers from the University of Minnesota Twin Cities and Université Paris-Saclay have reopened one of cosmology’s oldest debates by showing that dark matter may have started its life far hotter ...

The early universe is absolutely so far outside our understanding of how the world works it's hard to describe in words. Back ...

A recent scientific study has suggested that the first stars in the universe formed in conditions very different from what researchers had long believed. Instead of forming in a cold and quiet ...

Scientists at the University of Waterloo have uncovered a bold new way to explain how the universe began—one that could ...

Dark matter is thought to exist everywhere, wrapping around galaxies and helping to shape the largest things in the universe.

The early universe is perhaps one of the biggest mysteries of our time, and while we've come close to unraveling some of those earliest mysteries thanks to advancing tech like the James Webb Space ...

This stunning image reveals a distant galaxy cluster teeming with energy: galaxies shine in visible light (white), ghostly red clouds unveil a newly discovered radio mini-halo—the most distant ever ...

The James Webb Space Telescope (JWST), launched in 2022, continues to reshape how we view the cosmos. Designed to look deeper into space and further back in time than any previous instrument, it has ...

A group of scientists, including a class of undergraduate students at the University of Chicago, has discovered the most ...

Found in an ultrafaint dwarf galaxy, the ancient star’s unusual chemistry indicates it formed from gas enriched by a single ...

Add Yahoo as a preferred source to see more of our stories on Google. Dark matter may have started hot and cooled during reheating after the Big Bang. (CREDIT: NASA / Goddard Space Flight Center ...